<template>
    <div class="app-container">
      <el-form
        :model="queryParams"
        ref="queryForm"
        :inline="true"
        v-show="showSearch"
        label-width="68px"
      >
        <el-form-item label="系统编号" prop="modelName">
          <el-input
            v-model="queryParams.modelName"
            placeholder="请输入"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="区域编号" prop="modelName">
          <el-input
            v-model="queryParams.modelName"
            placeholder="请输入"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="区域名称" prop="modelName">
          <el-input
            v-model="queryParams.modelName"
            placeholder="请输入"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
  
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
  
      <el-row :gutter="10" class="mb8">
        <!--      <el-col :span="1.5">-->
        <!--        <el-button-->
        <!--          type="primary"-->
        <!--          plain-->
        <!--          icon="el-icon-upload"-->
        <!--          size="mini"-->
        <!--          @click="handleImport"-->
        <!--          v-hasPermi="['workflow:model:import']"-->
        <!--        >导入</el-button>-->
        <!--      </el-col>-->
        <el-col :span="1.5">
          <el-button
            type="success"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['workflow:model:add']"
          >新增</el-button>
        </el-col>
        <!-- <el-col :span="1.5">
          <el-button
            type="danger"
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['workflow:model:remove']"
          >删除</el-button>
        </el-col> -->
      
        <!-- <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar> -->
      </el-row>
  
      <el-table v-loading="loading" fit :data="modelList" @selection-change="handleSelectionChange">
        <!-- <el-table-column type="selection" width="55" align="center" /> -->
        <el-table-column label="系统编号" align="center" prop="modelKey" :show-overflow-tooltip="true" />
        <el-table-column label="区域编号" align="center" prop="modelKey" :show-overflow-tooltip="true" />
        <el-table-column label="区域名称" align="center" prop="modelName" :show-overflow-tooltip="true">
          <!-- <template slot-scope="scope">
              <el-button type="text" @click="handleProcessView(scope.row)">
                <span>{{ scope.row.modelName }}</span>
              </el-button>
          </template>-->
        </el-table-column>
  
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['workflow:model:edit']"
            >修改</el-button>
            <el-button
              type="text"
              size="mini"
              @click.native="handleDelete(scope.row)"
              v-hasPermi="['workflow:model:remove']"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
  
      <pagination
        v-show="total > 0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />
  
      <!--  添加或修改模型信息对话框  -->
      <el-dialog :title="title" :visible.sync="open" width="30%" append-to-body @close="cancel()">
        <el-form ref="form" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="系统编号" prop="modelName">
            <!-- :disabled="form.modelId !== undefined" -->
            <el-input v-model="form.modelName" clearable />
          </el-form-item>
          <el-form-item label="区域编号" prop="modelName">
            <!-- :disabled="form.modelId !== undefined" -->
            <el-input v-model="form.modelName" clearable />
          </el-form-item>
          <el-form-item label="区域名称" prop="modelName">
            <!-- :disabled="form.modelId !== undefined" -->
            <el-input v-model="form.modelName" clearable />
          </el-form-item>
          <!-- <el-form-item label="描述" prop="description">
              <el-input
                v-model="form.description"
                type="textarea"
                placeholder="请输入内容"
                maxlength="200"
                show-word-limit
              />
          </el-form-item>-->
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel()">取 消</el-button>
        </div>
      </el-dialog>
  
      <!--  &lt;!&ndash; bpmn20.xml导入对话框 &ndash;&gt;-->
      <!--  <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body @close="cancel('uploadForm')">-->
      <!--    <el-upload-->
      <!--      ref="upload"-->
      <!--      :limit="1"-->
      <!--      accept=".xml"-->
      <!--      :headers="upload.headers"-->
      <!--      :action="upload.url + '?name=' + upload.name+'&category='+ upload.category"-->
      <!--      :disabled="upload.isUploading"-->
      <!--      :on-progress="handleFileUploadProgress"-->
      <!--      :on-success="handleFileSuccess"-->
      <!--      :auto-upload="false"-->
      <!--      drag-->
      <!--    >-->
      <!--      <i class="el-icon-upload"></i>-->
      <!--      <div class="el-upload__text">-->
      <!--        将文件拖到此处，或-->
      <!--        <em>点击上传</em>-->
      <!--      </div>-->
      <!--      <div class="el-upload__tip" slot="tip">-->
      <!--        <el-form ref="uploadForm" :model="upload" size="mini" :rules="rules" label-width="80px">-->
      <!--          <el-form-item label="流程名称" prop="name">-->
      <!--            <el-input v-model="upload.name" clearable/>-->
      <!--          </el-form-item>-->
      <!--          <el-form-item label="流程分类" prop="category">-->
      <!--            <el-select v-model="upload.category" placeholder="请选择" clearable style="width:100%">-->
      <!--              <el-option v-for="item in categoryOptions" :key="item.categoryId" :label="item.categoryName"-->
      <!--                         :value="item.code"/>-->
      <!--            </el-select>-->
      <!--          </el-form-item>-->
      <!--        </el-form>-->
      <!--      </div>-->
      <!--      <div class="el-upload__tip" style="color:red" slot="tip">提示：仅允许导入“bpmn20.xml”格式文件！</div>-->
      <!--    </el-upload>-->
      <!--    <div slot="footer" class="dialog-footer">-->
      <!--      <el-button type="primary" @click="submitFileForm">确 定</el-button>-->
      <!--      <el-button @click="cancel('uploadForm')">取 消</el-button>-->
      <!--    </div>-->
      <!--  </el-dialog>-->
  
      <!-- 流程图 -->
      <el-dialog
        :title="processView.title"
        :visible.sync="processView.open"
        width="70%"
        append-to-body
      >
        <process-viewer
          :key="`designer-${processView.index}`"
          :xml="processView.xmlData"
          :style="{height: '400px'}"
        />
      </el-dialog>
  
      <el-dialog title="模型历史" :visible.sync="history.open" width="70%">
        <el-table
          v-loading="history.loading"
          fit
          :data="historyList"
          @selection-change="handleSelectionChange"
        >
          <el-table-column type="selection" width="55" align="center" />
          <el-table-column label="模型标识" align="center" prop="modelKey" :show-overflow-tooltip="true" />
          <el-table-column label="模型名称" align="center" :show-overflow-tooltip="true">
            <template slot-scope="scope">
              <el-button type="text" @click="handleProcessView(scope.row)">
                <span>{{ scope.row.modelName }}</span>
              </el-button>
            </template>
          </el-table-column>
          <el-table-column
            label="流程分类"
            align="center"
            prop="categoryName"
            :formatter="categoryFormat"
          />
          <el-table-column label="模型版本" align="center">
            <template slot-scope="scope">
              <el-tag size="medium">v{{ scope.row.version }}</el-tag>
            </template>
          </el-table-column>
          <el-table-column
            label="描述"
            align="center"
            prop="description"
            :show-overflow-tooltip="true"
          />
          <el-table-column label="创建时间" align="center" prop="createTime" width="180" />
          <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
            <template slot-scope="scope">
              <el-button
                type="text"
                size="mini"
                icon="el-icon-video-play"
                v-hasPermi="['workflow:model:deploy']"
                @click.native="handleDeploy(scope.row)"
              >部署</el-button>
              <el-button
                type="text"
                size="mini"
                icon="el-icon-star-off"
                v-hasPermi="['workflow:model:save']"
                @click.native="handleLatest(scope.row)"
              >设为最新</el-button>
            </template>
          </el-table-column>
        </el-table>
  
        <pagination
          v-show="historyTotal > 0"
          :total="historyTotal"
          :page.sync="queryHistoryParams.pageNum"
          :limit.sync="queryHistoryParams.pageSize"
          @pagination="getHistoryList"
        />
      </el-dialog>
  
      <el-dialog :title="designerData.title" :visible.sync="designerOpen" append-to-body fullscreen>
        <process-designer
          :key="designerOpen"
          style="border:1px solid rgba(0, 0, 0, 0.1);"
          ref="modelDesigner"
          v-loading="designerData.loading"
          :bpmnXml="designerData.bpmnXml"
          :designerForm="designerData.form"
          @save="onSaveDesigner"
        />
      </el-dialog>
    </div>
  </template>
      
      <script>
  import {
    getBpmnXml,
    listModel,
    historyModel,
    latestModel,
    addModel,
    updateModel,
    saveModel,
    delModel,
    deployModel
  } from "@/api/workflow/model";
  import { listCategory } from "@/api/workflow/category";
  import ProcessDesigner from "@/components/ProcessDesigner";
  import ProcessViewer from "@/components/ProcessViewer";
  import { getToken } from "@/utils/auth";
  
  export default {
    name: "Model",
    components: {
      ProcessDesigner,
      ProcessViewer
    },
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 流程模型表格数据
        modelList: [],
        categoryOptions: [],
        title: "",
        open: false,
        form: {},
        // 表单校验
        rules: {
          modelKey: [
            { required: true, message: "模型标识不能为空", trigger: "blur" }
          ],
          modelName: [
            { required: true, message: "模型名称不能为空", trigger: "blur" }
          ],
          category: [{ required: true, message: "请选择类型", trigger: "change" }]
        },
        designerOpen: false,
        designerData: {
          loading: false,
          bpmnXml: "",
          modelId: null,
          form: {
            processName: null,
            processKey: null
          }
        },
        designerModelId: null,
        processView: {
          title: "",
          open: false,
          index: undefined,
          xmlData: ""
        },
        // bpmn.xml 导入
        upload: {
          // 是否显示弹出层（xml导入）
          open: false,
          // 弹出层标题（xml导入）
          title: "",
          // 是否禁用上传
          isUploading: false,
          name: null,
          category: null,
          // 设置上传的请求头部
          headers: { Authorization: "Bearer " + getToken() },
          // 上传的地址
          url: process.env.VUE_APP_BASE_API + "/workflow/definition/import"
        },
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          modelKey: null,
          modelName: null,
          category: null
        },
        currentRow: null,
        history: {
          open: false,
          loading: false
        },
        historyList: [],
        historyTotal: 0,
        queryHistoryParams: {
          pageNum: 1,
          pageSize: 10,
          modelKey: null
        }
      };
    },
    created() {
      this.getCategoryList();
      this.getList();
    },
    methods: {
      /** 查询流程分类列表 */
      getCategoryList() {
        listCategory().then(response => (this.categoryOptions = response.rows));
      },
      /** 查询流程模型列表 */
      getList() {
        this.loading = true;
        listModel(this.queryParams).then(response => {
          this.modelList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      cancel() {
        this.reset();
        // 关闭dialog
        this.open = false;
      },
      // 表单重置
      reset() {
        this.form = {
          modelId: undefined,
          modelKey: undefined,
          modelName: undefined,
          category: undefined,
          description: undefined
        };
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.$refs.queryForm.resetFields();
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.modelId);
        this.single = selection.length !== 1;
        this.multiple = !selection.length;
      },
      /** 部署流程 */
      handleDeploy(row) {
        this.loading = true;
        deployModel({
          modelId: row.modelId
        })
          .then(response => {
            this.$modal.msgSuccess(response.msg);
            let obj = { name: "Deploy", path: "/workflow/deploy" };
            return this.$store
              .dispatch("tagsView/delCachedView", obj)
              .then(() => {
                this.$router.push(obj);
              });
          })
          .finally(() => {
            this.loading = false;
          });
      },
      /** 查看流程图 */
      handleProcessView(row) {
        let modelId = row.modelId;
        this.processView.title = "流程图";
        this.processView.index = modelId;
        // 发送请求，获取xml
        getBpmnXml(modelId).then(response => {
          this.processView.xmlData = response.data;
        });
        this.processView.open = true;
      },
      getHistoryList() {
        this.history.loading = true;
        historyModel(this.queryHistoryParams).then(response => {
          this.historyTotal = response.total;
          this.historyList = response.rows;
          this.history.loading = false;
        });
      },
      handleHistory(row) {
        this.history.open = true;
        this.queryHistoryParams.modelKey = row.modelKey;
        this.getHistoryList();
      },
      /** 设为最新版 */
      handleLatest(row) {
        this.$modal.confirm("是否确认将此版本设为最新？").then(() => {
          this.history.loading = true;
          latestModel({
            modelId: row.modelId
          })
            .then(response => {
              this.history.open = false;
              this.getList();
              this.$modal.msgSuccess(response.msg);
            })
            .finally(() => {
              this.history.loading = false;
            });
        });
      },
      handleCurrentChange(data) {
        if (data) {
          this.currentRow = JSON.parse(data.content);
        }
      },
      handleAdd() {
        this.title = "新增";
        const dateTime = new Date().getTime();
        this.form = {
          modelKey: `Process_${dateTime}`,
          modelName: `业务流程_${dateTime}`
        };
        this.open = true;
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.title = "修改";
        this.form = {
          modelId: row.modelId,
          modelKey: row.modelKey,
          modelName: row.modelName,
          category: row.category,
          description: row.description
        };
        this.open = true;
      },
      submitForm() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.modelId !== undefined) {
              updateModel(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              addModel(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 设计按钮操作 */
      handleDesigner(row) {
        this.designerData.title = "流程设计 - " + row.modelName;
        this.designerData.modelId = row.modelId;
        this.designerData.form = {
          processName: row.modelName,
          processKey: row.modelKey
        };
        if (row.modelId) {
          this.designerData.loading = true;
          getBpmnXml(row.modelId).then(response => {
            this.designerData.bpmnXml = response.data || "";
            this.designerData.loading = false;
            this.designerOpen = true;
          });
        }
      },
      onSaveDesigner(bpmnXml) {
        this.bpmnXml = bpmnXml;
        let dataBody = {
          modelId: this.designerData.modelId,
          bpmnXml: this.bpmnXml
        };
        this.$confirm("是否将此模型保存为新版本？", "提示", {
          distinguishCancelAndClose: true,
          confirmButtonText: "是",
          cancelButtonText: "否"
        })
          .then(() => {
            this.confirmSave(dataBody, true);
          })
          .catch(action => {
            if (action === "cancel") {
              this.confirmSave(dataBody, false);
            }
          });
      },
      confirmSave(body, newVersion) {
        this.designerData.loading = true;
        saveModel(
          Object.assign(body, {
            newVersion: newVersion
          })
        )
          .then(() => {
            this.designerOpen = false;
            this.getList();
          })
          .finally(() => {
            this.designerData.loading = false;
          });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const modelIds = row.modelId || this.ids;
        this.$modal
          .confirm('是否确认删除区域ID为"' + modelIds + '"的数据项？')
          .then(() => {
            this.loading = true;
            return delModel(modelIds);
          })
          .then(() => {
            this.loading = false;
            this.getList();
            this.$modal.msgSuccess("删除成功");
          })
          .finally(() => {
            this.loading = false;
          });
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download(
          "workflow/model/export",
          {
            ...this.queryParams
          },
          `wf_model_${new Date().getTime()}.xlsx`
        );
      },
      /** 导入bpmn.xml文件 */
      handleImport() {
        this.upload.title = "bpmn20.xml文件导入";
        this.upload.open = true;
      },
      // 文件上传中处理
      handleFileUploadProgress(event, file, fileList) {
        this.upload.isUploading = true;
      },
      // 文件上传成功处理
      handleFileSuccess(response, file, fileList) {
        this.upload.open = false;
        this.upload.isUploading = false;
        this.$refs.upload.clearFiles();
        this.$message.success(response.msg);
        this.getList();
      },
      // 提交上传文件
      submitFileForm() {
        this.$refs.uploadForm.validate(valid => {
          if (valid) {
            this.$refs.upload.submit();
          }
        });
      },
      categoryFormat(row, column) {
        return (
          this.categoryOptions.find(k => k.code === row.category)?.categoryName ??
          ""
        );
      },
      submitSave() {
        this.getList();
      }
    }
  };
  </script>
      